91
Magtrol Model DSP7000 Dynamometer Controller
Chapter 8 – Optional Equipment
operation
Figure 8–7 Alarm Contact Setup
15. Press SCALE I button to select yes or no.
16. Press SHIFT. The display should appear as follows:
BRAKE STATUS SET POINT SET POINT PID
TORQUE SPEED USER DISPLAY
IO X
USE DACS AS TORQUE & SPEED? XXX
Figure 8–8 Torque/Speed Setup
17. Press SCALE I button to select yes.
18. Press SHIFT. The display should appear as follows:
BRAKE STATUS SET POINT SET POINT PID
TORQUE SPEED USER DISPLAY
IO CARDX TORQUE DAC SPEED DAC
0.000 UNITS/V
0.000 RPM/V
Figure 8–9 Torque/Speed DAC Setup Menu
19. Press TORQUE UNITS button and use and buttons and the Decrease/Increase dial to
set the desired Torque DAC vlaue.
20. Press MAX SPEED button and use and buttons and the Decrease/Increase dial to set
the desired Speed DAC value.
21. Press SHIFT 2 times to complete configuration and return to the main menu.
8.1.3.1 Torque DAC Scale Factor
Torque DAC Scale Factor is scaled in displayed torque units/volt.
Example:
If the displayed torque units are set to oz·in. and the Torque DAC scale is set to 1 unit/volt,
then 1 oz·in. will result in 1 volt at the torque output.
8.1.3.2 Speed DAC Scale Factor
Speed DAC Scale Factor is scaled in rpm/volt.
Example:
If the Speed DAC scale is set to 1000 rpm/volt, then 1000 rpm will result in 1 volt at the
speed output.
8.1.3.3 I/O Card A/D Input Signal Range
The input signals of the I/O card are from -10V to +10V.
8.1.3.4 I/O Card DAC Output Signal Range
The output singals of the DAC is from -10V to +10V.
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